I'm running straight 30W in my Grim Leaker...went to Canadian tire today and bought it in 1 litre size for $2.09 a pop. The guys eyes bugged out when I asked for two cases.
On another note...does it matter if you mix brands?
Had a great run yesterday from Kelowna, BC to Vancouver. It was our longest leg so far in the bus. First of many on the way to Mexico. The old girl performed flawlessly and we made pretty good time. Lots of slow 9% up and downgrades. I had a guy on a bicycle pass me and give me the bird on one of the long grinds...(just kiddin') my wife did threaten to get out and walk though!

Payin' for the sins of my youth when I was the fastest on the road. I was having serious turbo envy when the gear jammers were passin' me by.
I'll keep you updated on our progress.
Cheers.
Aron.